淡水鱼类暴发性流行病是危害淡水养殖鱼类种类多,年龄范围广,流行地区广,季节长,造成损失最大的一种急性传染病。此病暴发时,因大多数渔民不懂得正确治疗方法或草率行事,往往使病情得不到有效控制,或使病情多次反复,从而使池塘减产。在此将该病的有关情况作如下介绍。 The outbreak of freshwater fish epidemic is an acute infectious disease that endangers freshwater aquaculture species, has a wide range of age, has a wide area of ​​epidemic, and has a long season, resulting in the largest loss. At the outbreak of the disease, most fishermen do not know the proper treatment method or act in a hasty manner, often resulting in no effective control of the disease or repeated illness many times, thereby reducing the pond production. Here’s the situation of the disease as follows.